import smtplib

with smtplib.SMTP_SSL('smtp.163.com', 465) as server:
    server.login('18620358128@163.com', 'development73')
    server.sendmail('18620358128@163.com', '18620358128@163.com',
                    'Subject: So long.\nDear Alice, so long and thanks for all the fish. Sincerely,Bob')
